Finding the Fourth Proportional to 76,919.84, 106,133.48 and 44,207.90
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Solution
The fourth proportional to 76,919.84, 106,133.48 and 44,207.90 is: 60,997.76
Step by Step Solution
- Step 1: Write the proportion equation
76,919.84 : 106,133.48 = 44,207.90 : x - Step 2: Convert to fraction form
76,919.84/106,133.48 = 44,207.90/x - Step 3: Cross multiply
76,919.84x = 106,133.48 × 44,207.90 - Step 4: Simplify right side
76,919.84x = 4,691,938,270.49 - Step 5: Solve for x
x = 4,691,938,270.49/76,919.84 - Step 6: Final answer
x = 60,997.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.